HMS Alderney P-416, date and location unknown.

1950: Crewmen of HMS Alderney P-416 seen at Gosport, England. HMS Affray P-421 is seen in the foreground.

1950: A group of unidentified crewmen in HMS Alderney P-416.

HMS Alderney P-416 seen in 1954 at Plymouth Sound with Cawsand, Mount Edgecombe estate and Fort Picklecombe in the background.

(Caption courtesy of Philip J. Heydon, I.S.M.)

HMS Alderney P-416 seen in 1954 at Plymouth Sound.

(Caption courtesy of Philip J. Heydon, I.S.M.)

HMS Alderney P-416 seen in 1954 at Plymouth Sound with Staddon Heights in the background, also the Plymouth power station stack before the 'B' station was built.

(Caption courtesy of Philip J. Heydon, I.S.M.)

HMS Alderney P-416 seen in 1954 at Plymouth Sound with the old Fort in the background.

(Caption courtesy of Philip J. Heydon, I.S.M.)